Finding the Fourth Proportional to 372,098.76, 513,502.74 and 202,333.92
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Solution
The fourth proportional to 372,098.76, 513,502.74 and 202,333.92 is: 279,224.32
Step by Step Solution
- Step 1: Write the proportion equation
372,098.76 : 513,502.74 = 202,333.92 : x - Step 2: Convert to fraction form
372,098.76/513,502.74 = 202,333.92/x - Step 3: Cross multiply
372,098.76x = 513,502.74 × 202,333.92 - Step 4: Simplify right side
372,098.76x = 103,899,022,314.94 - Step 5: Solve for x
x = 103,899,022,314.94/372,098.76 - Step 6: Final answer
x = 279,224.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.